Roller for scarfing the edges op skelps for lap-welded tubes



UNITEDl STATES PATENT OFFICE.

JAMES MCCARTY, OF READING, PENNSYLVANIA. n

ROLLER FOR SCARFING THE EDGES OF SKELPS FOR LAP-WEEDED TUBES.

T 0 all whom t may concern Be it kno-wn that I, JAMES MCCARTY, of Reading, in the county of Berks and State of Pennsylvaniahave invented certain new and useful Improvements in Machinery for Scarfing the Edges of Skelps for Lap- Welded Tubes, of which the following is a full, clear, and exact description, reference being had to the accompanying drawings, which make part of this specification, and in which-v Figure l represents a view in perspective of one o-f my improved machines; Fig. 2 an end view thereof; Fig. 3 alongitudinal section taken at the line X X in Fig. 2; Fig. l a transverse section of a skelp before scarfing; Fig. 5 a similar view of it afterward; and Fig. 6 the skelp bent so as to bring its scarfed edges into the proper position for welding.

The machine represented in the accompanying drawings, consists of a strong and solid bed frame (A) upon one end of which.

two fixed standard (B) are mounted to support the driving gear. Athird standard (C) is also fixed to the bed frame to support the bearings for one end of a pair of rolls (D, D) whose opposite ends are supported in bearings in a fourth standard (E) which is capable of adjustment, towards and from the fixed standard (C) that supports the opposite ends of the rolls, by sliding in the dovetailed groove between two ribs (a) projecting from thetop of the bed frame (A) the base of the standard is fitted to this groove and when adjusted to the proper position is secured by keys or otherwise. j

The object for which the standard (E) is made adjustable, is to keep the bearings as close to the shoulders of the rolls as possible, and at the same time permit the rolls v.

to slide endwise over each other to bring their collars (b) (as shown best in Fig. 3) at a greater or less distance apart to adapt the opening (c) between the rolls to scarfing skelps of varying widths, this opening being the counterpart of the skelp, when the scarfing is complete.

In order to hold the rolls steady in any position, to which they may be set, and 'thusx a bracket (it) to support an apron (F) to feed the skelps on at the level of theopening bet-Ween therolls. These brackets have slots formed `in their shanks, through which set screws pass by tightening which the brackets are held firmly in place. By loosening the screws the brackets can be moved towards, and from each other to adapt them to receive a wider or narrower apron, as the skelps to be scarfed are wide or narrow: these brackets and table being in all cases of the width of the skelp and placed in such position, as to guide theskelp properly between the rolls.

Thescarfing collar` of one of the rolls might be made separate from the barrel of the roll, and fitted thereon so that it could be adjusted to dierent distances from the collar of the other roll. would dispense with the movement of either the standards or the rolls.

What I claim as my invention and desire j p AMES MCCARTY.

Witnesses J. V. M. I-IUTER, WM. M. SEYFERT.

This modication 

